Cables & Accessories

AudioControl AC-BT24 review: what the Option Port Bluetooth module adds, compatible products, installation and India price.

What the Morel Acudamp MAT HOOD 621 bonnet liner does, why its layer count differs between listings, how it compares with the other Acudamp sheets, and how to fit it safely under an Indian bonnet.

What the Morel Acudamp MAT 345.5's closed-cell fourth layer adds, where a 4.5 mm sheet makes sense in an Indian car (floor, boot, roof), how it compares with the thinner Acudamp mats, and fitting tips.

What the Morel Acudamp MAT SPK6 strips and backwave pads do for door speakers, how the kit differs from Acudamp damping mats, who needs it, and how to fit it without fouling the window glass.

Why door damping belongs in a speaker upgrade, what the Morel Acudamp MAT 221.10's ten sheets and 3.68 m² mean in practice, how it compares with the thicker MAT 227.8, and what owners have said.

Where the Morel Acudamp MAT 227.8's thicker 2.7 mm sheet makes sense, how its eight sheets compare with the MAT 221.10 and MAT 345.5, what's published and what isn't, and how to fit it.

What the Morel Lotus Grill protects, how to choose between the 8, 10 and 12-inch versions (and why the millimetre figures need checking), and what to watch for when fitting one.

What the Morel Acudamp MAT 121.15 is, what kind of damping it does, where 15 sheets go in a car, how it compares with the MAT 221.10 and the rest of the Acudamp range, and what's still unpublished.

What the Morel MPD HL line output converter does, how to choose between the 2-channel and 4-channel versions, how it fits Morel's MPD amplifiers, and why the MPS HL naming needs care.

What the Morel MPS R-1 remote subwoofer level control does, the longer compatibility list in Morel's own documents, how to set gains with it, and the little owner feedback there is.

How the Morel MPS HL connects factory speaker wiring to a Morel amplifier's RCA inputs, why its 50-ohm resistor matters, which MPS and MPD amps it suits, and how many you need.

What the Morel MDSP TL TuneLink cable does, which MDSP amplifiers it links (not the 6/4A), the two-unit limit, why orientation matters, and when the RCA outputs are the better route.

What the Morel MDSP BT adds to Morel's full-size MDSP amplifiers, which models need it (and why the 6/4A doesn't), how auto-switching works, and what's still unpublished.

What the Resolut M25-IN does, what MOST 25 integration means, which Resolut processors take it, what Resolut doesn't publish, and the analogue alternatives for factory systems.

What the Resolut BT-IN Bluetooth module offers, why aptX Lossless depends on your phone, what Resolut doesn't publish, and cheaper ways to add Bluetooth to a Resolut processor.

What the Resolut USB-IN HQ module does, which processors take it, what Resolut does and doesn't publish about formats, the cables you'll need and the alternatives.

What the Resolut A-IN module does, which Resolut processors need it, line versus speaker-level wiring, features Resolut lists as in development, and cheaper ways to connect a factory head unit.

What the Resolut SRC remote does, which Resolut processors it works with, the cheaper potentiometer alternative from Resolut's manuals, and who actually needs one.

How the Deaf Bonce M6C connects aftermarket amplifiers to a factory touchscreen: its six inputs and auto turn-on, wiring tips for Indian cars, and when the JL LoC-22 or M8-DSP makes more sense.

Alpine lists the KTX-CSP1 measurement microphone kit for its OPTIM8 and OPTIM6 processors. Here's what it does, where it fits in OPTIM8 tuning, what OPTIM owners report about the processor, and who should skip it.